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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /library/std/src/sys_common/remutex/tests.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | library/std/src/sys_common/remutex/tests.rs | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/library/std/src/sys_common/remutex/tests.rs b/library/std/src/sys_common/remutex/tests.rs deleted file mode 100644 index 8e97ce11c..000000000 --- a/library/std/src/sys_common/remutex/tests.rs +++ /dev/null @@ -1,60 +0,0 @@ -use crate::cell::RefCell; -use crate::sync::Arc; -use crate::sys_common::remutex::{ReentrantMutex, ReentrantMutexGuard}; -use crate::thread; - -#[test] -fn smoke() { - let m = ReentrantMutex::new(()); - { - let a = m.lock(); - { - let b = m.lock(); - { - let c = m.lock(); - assert_eq!(*c, ()); - } - assert_eq!(*b, ()); - } - assert_eq!(*a, ()); - } -} - -#[test] -fn is_mutex() { - let m = Arc::new(ReentrantMutex::new(RefCell::new(0))); - let m2 = m.clone(); - let lock = m.lock(); - let child = thread::spawn(move || { - let lock = m2.lock(); - assert_eq!(*lock.borrow(), 4950); - }); - for i in 0..100 { - let lock = m.lock(); - *lock.borrow_mut() += i; - } - drop(lock); - child.join().unwrap(); -} - -#[test] -fn trylock_works() { - let m = Arc::new(ReentrantMutex::new(())); - let m2 = m.clone(); - let _lock = m.try_lock(); - let _lock2 = m.try_lock(); - thread::spawn(move || { - let lock = m2.try_lock(); - assert!(lock.is_none()); - }) - .join() - .unwrap(); - let _lock3 = m.try_lock(); -} - -pub struct Answer<'a>(pub ReentrantMutexGuard<'a, RefCell<u32>>); -impl Drop for Answer<'_> { - fn drop(&mut self) { - *self.0.borrow_mut() = 42; - } -} |